Send personal and professional mail while helping the environment with JAM Paper & Envelope s A7 Kraft Paper Envelope. It is made of 100-percent recycled paper and features a gummed flap. This brown Kraft envelope 25-pack has a straight flap booklet opening for quick and easy insertion and removal of contents. This envelope can be used for sending letters notes and cards. Ideal for home office or classroom use this recycled paper envelope measures 5.25 x 7.25 .